IBM MQ APL Functions(3.1)
IBM MQ APL functions are used to send data to an IBM MQ queue.
MQConnect
This function will open a connection to a queue and queue manager.
MQQueue mqConnect(MQQueueManagerInfo info, string queueName)
Parameters
Parameter | Description |
---|---|
| The information needed to connect to the queue manager MQQueueManagerInfo UDR. For further information about the MQQueueManagerInfo UDR type see MQQueueManagerInfo in IBM MQ UDRs(3.1). |
| The name of the queue |
Returns | Returns an MQQueue UDR. For further information about the MQQueue UDR type see MQQueue in IBM MQ UDRs(3.1). |
Note!
If there is no available queue status for some reason, the MaxDepth and CurrentDepth fields will be assigned the value "-1" and the mqConnect
 function will still be able to connect.
MQPut
This function will put a message on a queue.
If the function fails, it will populate the ErrorDescription
 field with a description and set isError
 to true. If the error was generated from an MQ exception it will also update the MqError
 field in the MQQueue UDR.
string mqPut(MQQueue queue, MQMessage message)
Parameters
Parameter | Description |
---|---|
| The MQQueue UDR that is the result from the |
| The message to add to the queue. For further information about the MQMessage UDR type see MQMessage in IBM MQ UDRs(3.1). |
Returns | Returns null if the function was successful and an error message if it failed. |
MQClose
This function closes the connection to the queue manager.
If the function fails, it will populate the ErrorDescription
 field with a description and set isError
 to true. If the error was generated from an MQ exception it will also update the MqError
 field in the MQQueue UDR.
string mqClose(MQQueue queue)
Parameters
Parameter | Description |
---|---|
| The MQQueue UDR that is the result from the |
Returns | Returns null if the function was successful and an error message if it failed. |
MQStatus
This function will query the queue for MaxDepth
 and CurrentDepth
 and populate the corresponding fields in the MQQueue UDR.
If the function fails, it will populate the ErrorDescription
 field with a description and set isError
 to true. If the error was generated from an MQ exception it will also update the MqError
 field in the MQQueue UDR.
string mqStatus(MQQueue queue)
Parameters
Parameter | Description |
---|---|
| The MQQueue UDR that is the result from the |
Returns | Returns an error message describing the problem, or null if the function was successful. |